P01F2
O2 Sensor Circuit Low Voltage Bank 1 Sensor 4
P01F2 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit Low Voltage Bank 1 Sensor 4. Common causes: oxygen sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Increased fuel consumption
- Unstable engine operation
- Check Engine light comes on
- Increased emissions of harmful substances
Causes
- Oxygen sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Grounding problems
- Engine ECU malfunction
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check sensor circuit grounding
- Replace the oxygen sensor if necessary
- Check the operation of the engine ECU
Related codes
Error P01F2 by Vehicle Brand
FAQ
What does the P01F2 code mean?
P01F2 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit Low Voltage Bank 1 Sensor 4
What causes a P01F2 error code?
The most common causes of P01F2 include: Oxygen sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Grounding problems.
How do I fix a P01F2 diagnostic trouble code?
To fix P01F2: Check the integrity of the sensor wiring and connectors. Check sensor circuit grounding. Replace the oxygen sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P01F2?
Limited driving only, diagnose soon
How much does it cost to fix P01F2?
The estimated repair cost for P01F2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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